Patent US2653887A successfully refreshed from Google Patents.
US2653887A
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Method of producing tubing
Assignee: Owens Corning
•
Filing: 1947-08-01
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Granted: 1953-09-29
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Slayter Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C53/00; B29C53/80; B29C53/82; B29C53/821; B29C53/824; B29C53/56; B29C53/58; B29C53/60; B29C53/68; Y; Y10; Y10S; Y10S138/00; Y10S138/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF PRODUCING TUBING COMPRISING THE STEPS OF IMPREGNATING A GLASS FIBER FABRIC WITH A CURABLE RESINUOUS MATERIAL IN AN INTERMEDIATE STAGE OF POLYMERIC GROWTH, SUBSTANTIALLY COMPLETELY CURING THE RESINUOUS MATERIAL OF THE IMPREGNATING GLASS FIBER FABRIC ANNEALING THE CURED FABRIC TO REMOVE SUBSTANTIALLY ALL OF THE STRAIN THEREFROM, APPLYING A BINDING COATING TO THE
Claim 2
Independent Claim
56 words
THE METHOD OF PRODUCING TUBING COMPRISING THE STEPS OF IMPREGNATING A GLASS FIBER FABRIC WITH A CURABLE RESINUOUS MATERIAL IN AN INTERMEDIATE STAGE OF POLYMERIC GROWTH, SUBSTANTIALLY COMPLETELY CURING THE RESINUOUS MATERIAL OF THE IMPREGNATING GLASS FIBER FABRIC ANNEALING THE CURED FABRIC TO REMOVE SUBSTANTIALLY ALL OF THE STRAIN THEREFROM, APPLYING A BINDING COATING TO THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |